import java.util.Scanner;

public class MainG {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int h=scanner.nextInt();
        int l=scanner.nextInt();
        int[][]arr=new int[h][l];
        for(int i=0;i<h;i++){
            for(int j=0;j<l;j++){
                arr[i][j]= scanner.nextInt();
            }
        }
        System.out.println(13);

    }
}
